NHI-1523 - Brand New Texas Instruments IC Chips
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Description
The NHI-1523 is a low-cost complete Multi-Protocol Mil-Std-Data Bus Interface between a dual redundant bus and a host processor. It functions as a programmable Remote Terminal containing a protocol chip, two +5V monolithic transceivers, and 16K word SRAM. The unit is available in either a 1.1" x 1.1" 69 pin ceramic PGA or a 1.1" x 1.1" 68 pin ceramic quad flatpack. The NHI-1523 requires only two coupling transformers as external components.
Specifications and features
- Mulit-Protocol Interface
- Single +5 volt supply
- Operates from 10 Mhz clock
- Contains two monolithic +5V transceivers
- Appears to the host as a Dual Port Double Buffered 16K x 16 SRAM
- Footprint less than 1.00 square inches
- Ensures integrity of all shared data and control structures
- Built-in interrupt controller
- Internal FIFO is configurable to retain header information for queuing up to 6 pending interrupt requests plus an overflow interrupt, or as a 7 interrupt revolving FIFO
- Provides interrupt priority input and output pins for daisy-chaining interrupt requests
- Contains a Timer Unit which provides 32-bit RTC (Real-Time-Clock) with 1, 2, 4, 8, 16, 32, and 64 uS internal or user-provided external clock resolution for data and event time tagging
- Interfaces with an 8-bit discrete I/O bus
- Selectable 768/672 us Failsafe Timer with complete Testability
- Low power CMOS technology
Application Scenarios
The NHI-1523 can be used in various applications such as data communication systems, industrial automation, aerospace, and military systems.
Comparison
Advantages- Low cost
- Complete multi-protocol interface
- Small footprint
- Built-in interrupt controller
- Configurable internal FIFO for queuing interrupt requests
- Timer Unit for accurate event time tagging
- Interfaces with 8-bit discrete I/O bus
- Selectable failsafe timer with testability
- Low power consumption
Disadvantages- Requires two coupling transformers as external components
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Similar parts: 430483 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download NHI-1523
- Chipdatas Part: CD90-NHI-1523
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 14:20 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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